xref: /openssl/test/ctype_internal_test.c (revision 25f2138b)
1 /*
2  * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #include "testutil.h"
11 #include "crypto/ctype.h"
12 #include "internal/nelem.h"
13 #include <ctype.h>
14 #include <stdio.h>
15 
16 /*
17  * Even though the VMS C RTL claims to be C99 compatible, it's not entirely
18  * so far (C RTL version 8.4). Same applies to OSF. For the sake of these
19  * tests, we therefore define our own.
20  */
21 #if (defined(__VMS) && __CRTL_VER <= 80400000) || defined(__osf__)
isblank(int c)22 static int isblank(int c)
23 {
24     return c == ' ' || c == '\t';
25 }
26 #endif
27 
test_ctype_chars(int n)28 static int test_ctype_chars(int n)
29 {
30     if (!TEST_int_eq(isascii((unsigned char)n) != 0, ossl_isascii(n) != 0))
31         return 0;
32 
33     if (!ossl_isascii(n))
34         return 1;
35 
36     return TEST_int_eq(isalpha(n) != 0, ossl_isalpha(n) != 0)
37            && TEST_int_eq(isalnum(n) != 0, ossl_isalnum(n) != 0)
38 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
39            && TEST_int_eq(isblank(n) != 0, ossl_isblank(n) != 0)
40 #endif
41            && TEST_int_eq(iscntrl(n) != 0, ossl_iscntrl(n) != 0)
42            && TEST_int_eq(isdigit(n) != 0, ossl_isdigit(n) != 0)
43            && TEST_int_eq(isgraph(n) != 0, ossl_isgraph(n) != 0)
44            && TEST_int_eq(islower(n) != 0, ossl_islower(n) != 0)
45            && TEST_int_eq(isprint(n) != 0, ossl_isprint(n) != 0)
46            && TEST_int_eq(ispunct(n) != 0, ossl_ispunct(n) != 0)
47            && TEST_int_eq(isspace(n) != 0, ossl_isspace(n) != 0)
48            && TEST_int_eq(isupper(n) != 0, ossl_isupper(n) != 0)
49            && TEST_int_eq(isxdigit(n) != 0, ossl_isxdigit(n) != 0);
50 }
51 
52 static struct {
53     int u;
54     int l;
55 } case_change[] = {
56     { 'A', 'a' },
57     { 'X', 'x' },
58     { 'Z', 'z' },
59     { '0', '0' },
60     { '%', '%' },
61     { '~', '~' },
62     {   0,   0 },
63     { EOF, EOF }
64 };
65 
test_ctype_toupper(int n)66 static int test_ctype_toupper(int n)
67 {
68     return TEST_int_eq(ossl_toupper(case_change[n].l), case_change[n].u)
69            && TEST_int_eq(ossl_toupper(case_change[n].u), case_change[n].u);
70 }
71 
test_ctype_tolower(int n)72 static int test_ctype_tolower(int n)
73 {
74     return TEST_int_eq(ossl_tolower(case_change[n].u), case_change[n].l)
75            && TEST_int_eq(ossl_tolower(case_change[n].l), case_change[n].l);
76 }
77 
test_ctype_eof(void)78 static int test_ctype_eof(void)
79 {
80     return test_ctype_chars(EOF);
81 }
82 
setup_tests(void)83 int setup_tests(void)
84 {
85     ADD_ALL_TESTS(test_ctype_chars, 256);
86     ADD_ALL_TESTS(test_ctype_toupper, OSSL_NELEM(case_change));
87     ADD_ALL_TESTS(test_ctype_tolower, OSSL_NELEM(case_change));
88     ADD_TEST(test_ctype_eof);
89     return 1;
90 }
91